| 1 | // RUN: %clang_cc1 -triple i686-windows-msvc -fms-extensions -emit-llvm -std=c++1y -O0 -o - %s | FileCheck %s |
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| 2 | struct Base {}; |
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| 3 | |
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| 4 | // __declspec(dllexport) causes us to export the implicit constructor. |
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| 5 | struct __declspec(dllexport) Derived : virtual Base { |
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| 6 | // CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc %struct.Derived* @"??0Derived@@QAE@ABU0@@Z" |
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| 7 | // CHECK: %[[this:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
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| 8 | // CHECK-NEXT: store %struct.Derived* %[[this]], %struct.Derived** %[[retval:.*]] |
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| 9 | // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[this]], i32 0, i32 1 |
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| 10 | // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived*, %struct.Derived** {{.*}} |
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| 11 | // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived, %struct.Derived* %[[src_load:.*]], i32 0, i32 1 |
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| 12 | // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %[[dest_a_gep]], i8* align 4 %[[src_a_gep]], i64 1, i1 false) |
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| 13 | // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived*, %struct.Derived** %[[retval]] |
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| 14 | // CHECK-NEXT: ret %struct.Derived* %[[dest_this]] |
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| 15 | bool a : 1; |
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| 16 | bool b : 1; |
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| 17 | }; |
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| 18 | |
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| 19 | // __declspec(dllexport) causes us to export the implicit copy constructor. |
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| 20 | struct __declspec(dllexport) Derived2 : virtual Base { |
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| 21 | // CHECK-LABEL: define weak_odr dso_local dllexport x86_thiscallcc %struct.Derived2* @"??0Derived2@@QAE@ABU0@@Z" |
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| 22 | // CHECK: %[[this:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
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| 23 | // CHECK-NEXT: store %struct.Derived2* %[[this]], %struct.Derived2** %[[retval:.*]] |
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| 24 | // CHECK: %[[dest_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[this]], i32 0, i32 1 |
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| 25 | // CHECK-NEXT: %[[src_load:.*]] = load %struct.Derived2*, %struct.Derived2** {{.*}} |
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| 26 | // CHECK-NEXT: %[[src_a_gep:.*]] = getelementptr inbounds %struct.Derived2, %struct.Derived2* %[[src_load:.*]], i32 0, i32 1 |
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| 27 | // CHECK-NEXT: %[[dest_a_bitcast:.*]] = bitcast [1 x i32]* %[[dest_a_gep]] to i8* |
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| 28 | // CHECK-NEXT: %[[src_a_bitcast:.*]] = bitcast [1 x i32]* %[[src_a_gep]] to i8* |
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| 29 | // CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %[[dest_a_bitcast]], i8* align 4 %[[src_a_bitcast]], i32 4, i1 false) |
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| 30 | // CHECK-NEXT: %[[dest_this:.*]] = load %struct.Derived2*, %struct.Derived2** %[[retval]] |
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| 31 | // CHECK-NEXT: ret %struct.Derived2* %[[dest_this]] |
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| 32 | int Array[1]; |
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| 33 | }; |
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| 34 | |
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